Merge master.kernel.org:/pub/scm/linux/kernel/git/lethal/sh-2.6

* master.kernel.org:/pub/scm/linux/kernel/git/lethal/sh-2.6:
  sh: Convert INTC2 to IRQ table registration.
  sh: Updates for irq-flow-type naming changes.
  sh: Add some missing board headers.
  sh: Fix exception_handling_table alignment.
  sh: Cleanup board header directories.
  sh: Remove board-specific ide.h headers.
  sh: Proper show_stack/show_trace() implementation.

26 files changed, 268 insertions, 298 deletions

diff --git a/arch/sh/boards/hp6xx/hp6xx_apm.c b/arch/sh/boards/hp6xx/hp6xx_apm.c
index 219179114f0f..d146cdaa0b8b 100644
--- a/arch/sh/boards/hp6xx/hp6xx_apm.c
+++ b/arch/sh/boards/hp6xx/hp6xx_apm.c
@@ -14,7 +14,7 @@
 #include <asm/io.h>
 #include <asm/apm.h>
 #include <asm/adc.h>
-#include <asm/hp6xx/hp6xx.h>
+#include <asm/hp6xx.h>
 
 #define SH7709_PGDR			0xa400012c
 
diff --git a/arch/sh/boards/hp6xx/pm.c b/arch/sh/boards/hp6xx/pm.c
index 83d327212064..d1947732fb3e 100644
--- a/arch/sh/boards/hp6xx/pm.c
+++ b/arch/sh/boards/hp6xx/pm.c
@@ -12,7 +12,7 @@
 #include <linux/time.h>
 #include <asm/io.h>
 #include <asm/hd64461.h>
-#include <asm/hp6xx/hp6xx.h>
+#include <asm/hp6xx.h>
 #include <asm/cpu/dac.h>
 #include <asm/pm.h>
 
diff --git a/arch/sh/boards/hp6xx/setup.c b/arch/sh/boards/hp6xx/setup.c
index 2d3a5b4faf58..b5a96649ed26 100644
--- a/arch/sh/boards/hp6xx/setup.c
+++ b/arch/sh/boards/hp6xx/setup.c
@@ -13,7 +13,7 @@
 #include <asm/hd64461.h>
 #include <asm/io.h>
 #include <asm/irq.h>
-#include <asm/hp6xx/hp6xx.h>
+#include <asm/hp6xx.h>
 #include <asm/cpu/dac.h>
 
 #define	SCPCR	0xa4000116
diff --git a/arch/sh/boards/renesas/hs7751rvoip/io.c b/arch/sh/boards/renesas/hs7751rvoip/io.c
index 51f3f6574210..bb9aa0d62852 100644
--- a/arch/sh/boards/renesas/hs7751rvoip/io.c
+++ b/arch/sh/boards/renesas/hs7751rvoip/io.c
@@ -15,7 +15,7 @@
 #include <linux/module.h>
 #include <linux/pci.h>
 #include <asm/io.h>
-#include <asm/hs7751rvoip/hs7751rvoip.h>
+#include <asm/hs7751rvoip.h>
 #include <asm/addrspace.h>
 
 extern void *area6_io8_base;	/* Area 6 8bit I/O Base address */
diff --git a/arch/sh/boards/renesas/hs7751rvoip/irq.c b/arch/sh/boards/renesas/hs7751rvoip/irq.c
index c617b188258a..943f93aa6052 100644
--- a/arch/sh/boards/renesas/hs7751rvoip/irq.c
+++ b/arch/sh/boards/renesas/hs7751rvoip/irq.c
@@ -14,7 +14,7 @@
 #include <linux/irq.h>
 #include <asm/io.h>
 #include <asm/irq.h>
-#include <asm/hs7751rvoip/hs7751rvoip.h>
+#include <asm/hs7751rvoip.h>
 
 static int mask_pos[] = {8, 9, 10, 11, 12, 13, 0, 1, 2, 3, 4, 5, 6, 7};
 
diff --git a/arch/sh/boards/renesas/hs7751rvoip/setup.c b/arch/sh/boards/renesas/hs7751rvoip/setup.c
index 0414c15c3458..1d997ffd7931 100644
--- a/arch/sh/boards/renesas/hs7751rvoip/setup.c
+++ b/arch/sh/boards/renesas/hs7751rvoip/setup.c
@@ -10,15 +10,10 @@
 #include <linux/init.h>
 #include <linux/irq.h>
 #include <linux/mm.h>
-#include <linux/vmalloc.h>
-#include <linux/hdreg.h>
-#include <linux/ide.h>
 #include <linux/pm.h>
+#include <asm/hs7751rvoip.h>
 #include <asm/io.h>
-#include <asm/hs7751rvoip/hs7751rvoip.h>
 #include <asm/machvec.h>
-#include <asm/rtc.h>
-#include <asm/irq.h>
 
 static void __init hs7751rvoip_init_irq(void)
 {
diff --git a/arch/sh/boards/renesas/r7780rp/io.c b/arch/sh/boards/renesas/r7780rp/io.c
index db92d6e6ae99..311ccccba718 100644
--- a/arch/sh/boards/renesas/r7780rp/io.c
+++ b/arch/sh/boards/renesas/r7780rp/io.c
@@ -11,7 +11,7 @@
 #include <linux/pci.h>
 #include <linux/kernel.h>
 #include <linux/types.h>
-#include <asm/r7780rp/r7780rp.h>
+#include <asm/r7780rp.h>
 #include <asm/addrspace.h>
 #include <asm/io.h>
 
diff --git a/arch/sh/boards/renesas/r7780rp/irq.c b/arch/sh/boards/renesas/r7780rp/irq.c
index b544772cbc72..aa15ec5bc69e 100644
--- a/arch/sh/boards/renesas/r7780rp/irq.c
+++ b/arch/sh/boards/renesas/r7780rp/irq.c
@@ -10,7 +10,8 @@
  */
 #include <linux/init.h>
 #include <linux/irq.h>
-#include <asm/io.h>
+#include <linux/io.h>
+#include <asm/r7780rp.h>
 
 #ifdef CONFIG_SH_R7780MP
 static int mask_pos[] = {12, 11, 9, 14, 15, 8, 13, 6, 5, 4, 3, 2, 0, 0, 1, 0};
@@ -32,7 +33,7 @@ static void disable_r7780rp_irq(unsigned int irq)
 }
 
 static struct irq_chip r7780rp_irq_chip __read_mostly = {
-	.name		= "r7780rp",
+	.name		= "R7780RP",
 	.mask		= disable_r7780rp_irq,
 	.unmask		= enable_r7780rp_irq,
 	.mask_ack	= disable_r7780rp_irq,
@@ -47,8 +48,8 @@ void __init init_r7780rp_IRQ(void)
 
 	for (i = 0; i < 15; i++) {
 		disable_irq_nosync(i);
-		set_irq_chip_and_handler(i, &r7780rp_irq_chip,
-					 handle_level_irq);
+		set_irq_chip_and_handler_name(i, &r7780rp_irq_chip,
+					      handle_level_irq, "level");
 		enable_r7780rp_irq(i);
 	}
 }
diff --git a/arch/sh/boards/renesas/r7780rp/setup.c b/arch/sh/boards/renesas/r7780rp/setup.c
index b941aa0aa34e..c331caeb694b 100644
--- a/arch/sh/boards/renesas/r7780rp/setup.c
+++ b/arch/sh/boards/renesas/r7780rp/setup.c
@@ -13,7 +13,7 @@
 #include <linux/init.h>
 #include <linux/platform_device.h>
 #include <asm/machvec.h>
-#include <asm/r7780rp/r7780rp.h>
+#include <asm/r7780rp.h>
 #include <asm/clock.h>
 #include <asm/io.h>
 
diff --git a/arch/sh/boards/renesas/rts7751r2d/io.c b/arch/sh/boards/renesas/rts7751r2d/io.c
index 135aa0b5e62d..f2507a804979 100644
--- a/arch/sh/boards/renesas/rts7751r2d/io.c
+++ b/arch/sh/boards/renesas/rts7751r2d/io.c
@@ -11,8 +11,8 @@
 #include <linux/kernel.h>
 #include <linux/types.h>
 #include <linux/pci.h>
-#include <asm/rts7751r2d/rts7751r2d.h>
-#include <asm/io.h>
+#include <linux/io.h>
+#include <asm/rts7751r2d.h>
 #include <asm/addrspace.h>
 
 /*
diff --git a/arch/sh/boards/renesas/rts7751r2d/irq.c b/arch/sh/boards/renesas/rts7751r2d/irq.c
index c915e7a3693a..cb0eb20d1b43 100644
--- a/arch/sh/boards/renesas/rts7751r2d/irq.c
+++ b/arch/sh/boards/renesas/rts7751r2d/irq.c
@@ -8,12 +8,10 @@
  * Modified for RTS7751R2D by
  * Atom Create Engineering Co., Ltd. 2002.
  */
-
 #include <linux/init.h>
 #include <linux/irq.h>
-#include <asm/io.h>
-#include <asm/irq.h>
-#include <asm/rts7751r2d/rts7751r2d.h>
+#include <linux/io.h>
+#include <asm/rts7751r2d.h>
 
 #if defined(CONFIG_RTS7751R2D_REV11)
 static int mask_pos[] = {11, 9, 8, 12, 10, 6, 5, 4, 7, 14, 13, 0, 0, 0, 0};
diff --git a/arch/sh/boards/renesas/rts7751r2d/led.c b/arch/sh/boards/renesas/rts7751r2d/led.c
index a7ce66c1e4f0..509f548bdce0 100644
--- a/arch/sh/boards/renesas/rts7751r2d/led.c
+++ b/arch/sh/boards/renesas/rts7751r2d/led.c
@@ -8,13 +8,9 @@
  *
  * This file contains Renesas Technology Sales RTS7751R2D specific LED code.
  */
-
-#include <asm/io.h>
-#include <asm/rts7751r2d/rts7751r2d.h>
-
-#ifdef CONFIG_HEARTBEAT
-
+#include <linux/io.h>
 #include <linux/sched.h>
+#include <asm/rts7751r2d.h>
 
 /* Cycle the LED's in the clasic Knightriger/Sun pattern */
 void heartbeat_rts7751r2d(void)
@@ -46,10 +42,3 @@ void heartbeat_rts7751r2d(void)
 	else
 		bit--;
 }
-#endif /* CONFIG_HEARTBEAT */
-
-void rts7751r2d_led(unsigned short value)
-{
-	ctrl_outw(value, PA_OUTPORT);
-}
-
diff --git a/arch/sh/boards/renesas/rts7751r2d/setup.c b/arch/sh/boards/renesas/rts7751r2d/setup.c
index 20597a6e6702..5c042d35ec91 100644
--- a/arch/sh/boards/renesas/rts7751r2d/setup.c
+++ b/arch/sh/boards/renesas/rts7751r2d/setup.c
@@ -12,9 +12,9 @@
 #include <linux/platform_device.h>
 #include <linux/serial_8250.h>
 #include <linux/pm.h>
-#include <asm/io.h>
 #include <asm/machvec.h>
 #include <asm/mach/rts7751r2d.h>
+#include <asm/io.h>
 #include <asm/voyagergx.h>
 
 extern void heartbeat_rts7751r2d(void);
diff --git a/arch/sh/boards/shmin/setup.c b/arch/sh/boards/shmin/setup.c
index 2f0c19706cf9..a31a1d1e2681 100644
--- a/arch/sh/boards/shmin/setup.c
+++ b/arch/sh/boards/shmin/setup.c
@@ -7,7 +7,7 @@
  */
 #include <linux/init.h>
 #include <asm/machvec.h>
-#include <asm/shmin/shmin.h>
+#include <asm/shmin.h>
 #include <asm/clock.h>
 #include <asm/irq.h>
 #include <asm/io.h>
diff --git a/arch/sh/cchips/voyagergx/irq.c b/arch/sh/cchips/voyagergx/irq.c
index bf1b28feca06..f7ea700d05ae 100644
--- a/arch/sh/cchips/voyagergx/irq.c
+++ b/arch/sh/cchips/voyagergx/irq.c
@@ -17,29 +17,18 @@
 
     Copyright 2003 (c) Lineo uSolutions,Inc.
 */
-/* -------------------------------------------------------------------- */
-
-#undef DEBUG
-
-#include <linux/sched.h>
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/param.h>
-#include <linux/ioport.h>
 #include <linux/interrupt.h>
 #include <linux/init.h>
-#include <linux/irq.h>
-
-#include <asm/io.h>
-#include <asm/irq.h>
+#include <linux/io.h>
 #include <asm/voyagergx.h>
+#include <asm/rts7751r2d.h>
 
 static void disable_voyagergx_irq(unsigned int irq)
 {
 	unsigned long val;
 	unsigned long mask = 1 << (irq - VOYAGER_IRQ_BASE);
 
-    	pr_debug("disable_voyagergx_irq(%d): mask=%x\n", irq, mask);
+    	pr_debug("disable_voyagergx_irq(%d): mask=%lx\n", irq, mask);
         val = inl(VOYAGER_INT_MASK);
         val &= ~mask;
         outl(val, VOYAGER_INT_MASK);
@@ -50,7 +39,7 @@ static void enable_voyagergx_irq(unsigned int irq)
         unsigned long val;
         unsigned long mask = 1 << (irq - VOYAGER_IRQ_BASE);
 
-        pr_debug("disable_voyagergx_irq(%d): mask=%x\n", irq, mask);
+        pr_debug("disable_voyagergx_irq(%d): mask=%lx\n", irq, mask);
         val = inl(VOYAGER_INT_MASK);
         val |= mask;
         outl(val, VOYAGER_INT_MASK);
@@ -137,7 +126,7 @@ int voyagergx_irq_demux(int irq)
 		} else {
 			printk("Unexpected IRQ irq = %d status = 0x%08lx\n", irq, val);
 		}
-		pr_debug("voyagergx_irq_demux %d \n", i);
+		pr_debug("voyagergx_irq_demux %ld\n", i);
 #else
 		for (bit = 1, i = 0 ; i < VOYAGER_IRQ_NUM ; bit <<= 1, i++)
 			if (val & bit)
@@ -185,4 +174,3 @@ void __init setup_voyagergx_irq(void)
 
 	setup_irq(IRQ_VOYAGER, &irq0);
 }
-
diff --git a/arch/sh/drivers/pci/ops-r7780rp.c b/arch/sh/drivers/pci/ops-r7780rp.c
index 6e3ba9c65b40..eeea1577e112 100644
--- a/arch/sh/drivers/pci/ops-r7780rp.c
+++ b/arch/sh/drivers/pci/ops-r7780rp.c
@@ -13,7 +13,7 @@
 #include <linux/init.h>
 #include <linux/delay.h>
 #include <linux/pci.h>
-#include <asm/r7780rp/r7780rp.h>
+#include <asm/r7780rp.h>
 #include <asm/io.h>
 #include "pci-sh4.h"
 
diff --git a/arch/sh/drivers/pci/ops-rts7751r2d.c b/arch/sh/drivers/pci/ops-rts7751r2d.c
index b68824c8b81e..4a518d948049 100644
--- a/arch/sh/drivers/pci/ops-rts7751r2d.c
+++ b/arch/sh/drivers/pci/ops-rts7751r2d.c
@@ -10,28 +10,24 @@
  *
  * PCI initialization for the Renesas SH7751R RTS7751R2D board
  */
-
 #include <linux/kernel.h>
 #include <linux/types.h>
 #include <linux/init.h>
-#include <linux/delay.h>
 #include <linux/pci.h>
-#include <linux/module.h>
-#include <asm/rts7751r2d/rts7751r2d.h>
-#include <asm/io.h>
+#include <linux/io.h>
+#include <asm/rts7751r2d.h>
 #include "pci-sh4.h"
 
+static u8 rts7751r2d_irq_tab[] __initdata = {
+	IRQ_PCISLOT1,
+	IRQ_PCISLOT2,
+	IRQ_PCMCIA,
+	IRQ_PCIETH,
+};
+
 int __init pcibios_map_platform_irq(struct pci_dev *pdev, u8 slot, u8 pin)
 {
-        switch (slot) {
-	case 0: return IRQ_PCISLOT1;	/* PCI Extend slot #1 */
-	case 1: return IRQ_PCISLOT2;	/* PCI Extend slot #2 */
-	case 2: return IRQ_PCMCIA;	/* PCI Cardbus Bridge */
-	case 3: return IRQ_PCIETH;	/* Realtek Ethernet controller */
-	default:
-		printk("PCI: Bad IRQ mapping request for slot %d\n", slot);
-		return -1;
-	}
+	return rts7751r2d_irq_tab[slot];
 }
 
 static struct resource sh7751_io_resource = {
diff --git a/arch/sh/kernel/cpu/irq/intc2.c b/arch/sh/kernel/cpu/irq/intc2.c
index d4b2bb7e08c7..74ca576a7ce5 100644
--- a/arch/sh/kernel/cpu/irq/intc2.c
+++ b/arch/sh/kernel/cpu/irq/intc2.c
@@ -11,10 +11,9 @@
  * Hitachi 7751, the STM ST40 STB1, SH7760, and SH7780.
  */
 #include <linux/kernel.h>
-#include <linux/init.h>
 #include <linux/irq.h>
+#include <linux/io.h>
 #include <asm/system.h>
-#include <asm/io.h>
 
 static void disable_intc2_irq(unsigned int irq)
 {
@@ -31,7 +30,7 @@ static void enable_intc2_irq(unsigned int irq)
 }
 
 static struct irq_chip intc2_irq_chip = {
-	.typename	= "intc2",
+	.name		= "INTC2",
 	.mask		= disable_intc2_irq,
 	.unmask		= enable_intc2_irq,
 	.mask_ack	= disable_intc2_irq,
@@ -45,150 +44,36 @@ static struct irq_chip intc2_irq_chip = {
  *    PIO1 which is INTPRI00[19,16] and INTMSK00[13]
  * would be:               ^     ^             ^  ^
  *                         |     |             |  |
- *    make_intc2_irq(84,   0,   16,            0, 13);
+ *     { 84,		   0,   16,            0, 13 },
+ *
+ * in the intc2_data table.
  */
-void make_intc2_irq(struct intc2_data *p)
+void make_intc2_irq(struct intc2_data *table, unsigned int nr_irqs)
 {
-	unsigned int flags;
-	unsigned long ipr;
-
-	disable_irq_nosync(p->irq);
-
-	/* Set the priority level */
-	local_irq_save(flags);
-
-	ipr = ctrl_inl(INTC2_BASE + INTC2_INTPRI_OFFSET + p->ipr_offset);
-	ipr &= ~(0xf << p->ipr_shift);
-	ipr |= p->priority << p->ipr_shift;
-	ctrl_outl(ipr, INTC2_BASE + INTC2_INTPRI_OFFSET + p->ipr_offset);
-
-	local_irq_restore(flags);
+	int i;
 
-	set_irq_chip_and_handler(p->irq, &intc2_irq_chip, handle_level_irq);
-	set_irq_chip_data(p->irq, p);
+	for (i = 0; i < nr_irqs; i++) {
+		unsigned long ipr, flags;
+		struct intc2_data *p = table + i;
 
-	enable_intc2_irq(p->irq);
-}
+		disable_irq_nosync(p->irq);
 
-static struct intc2_data intc2_irq_table[] = {
-#if defined(CONFIG_CPU_SUBTYPE_ST40)
-	{64,  0,  0, 0,  0, 13},	/* PCI serr */
-	{65,  0,  4, 0,  1, 13},	/* PCI err */
-	{66,  0,  4, 0,  2, 13},	/* PCI ad */
-	{67,  0,  4, 0,  3, 13},	/* PCI pwd down */
-	{72,  0,  8, 0,  5, 13},	/* DMAC INT0 */
-	{73,  0,  8, 0,  6, 13},	/* DMAC INT1 */
-	{74,  0,  8, 0,  7, 13},	/* DMAC INT2 */
-	{75,  0,  8, 0,  8, 13},	/* DMAC INT3 */
-	{76,  0,  8, 0,  9, 13},	/* DMAC INT4 */
-	{78,  0,  8, 0, 11, 13},	/* DMAC ERR */
-	{80,  0, 12, 0, 12, 13},	/* PIO0 */
-	{84,  0, 16, 0, 13, 13},	/* PIO1 */
-	{88,  0, 20, 0, 14, 13},	/* PIO2 */
-	{112, 4,  0, 4,  0, 13},	/* Mailbox */
- #ifdef CONFIG_CPU_SUBTYPE_ST40GX1
-	{116, 4,  4, 4,  4, 13},	/* SSC0 */
-	{120, 4,  8, 4,  8, 13},	/* IR Blaster */
-	{124, 4, 12, 4, 12, 13},	/* USB host */
-	{128, 4, 16, 4, 16, 13},	/* Video processor BLITTER */
-	{132, 4, 20, 4, 20, 13},	/* UART0 */
-	{134, 4, 20, 4, 22, 13},	/* UART2 */
-	{136, 4, 24, 4, 24, 13},	/* IO_PIO0 */
-	{140, 4, 28, 4, 28, 13},	/* EMPI */
-	{144, 8,  0, 8,  0, 13},	/* MAFE */
-	{148, 8,  4, 8,  4, 13},	/* PWM */
-	{152, 8,  8, 8,  8, 13},	/* SSC1 */
-	{156, 8, 12, 8, 12, 13},	/* IO_PIO1 */
-	{160, 8, 16, 8, 16, 13},	/* USB target */
-	{164, 8, 20, 8, 20, 13},	/* UART1 */
-	{168, 8, 24, 8, 24, 13},	/* Teletext */
-	{172, 8, 28, 8, 28, 13},	/* VideoSync VTG */
-	{173, 8, 28, 8, 29, 13},	/* VideoSync DVP0 */
-	{174, 8, 28, 8, 30, 13},	/* VideoSync DVP1 */
-#endif
-#elif defined(CONFIG_CPU_SUBTYPE_SH7760)
-/*
- * SH7760 INTC2-Style interrupts, vectors IRQ48-111 INTEVT 0x800-0xFE0
- */
-	/* INTPRIO0 | INTMSK0 */
-	{48,  0, 28, 0, 31,  3},	/* IRQ 4 */
-	{49,  0, 24, 0, 30,  3},	/* IRQ 3 */
-	{50,  0, 20, 0, 29,  3},	/* IRQ 2 */
-	{51,  0, 16, 0, 28,  3},	/* IRQ 1 */
-	/* 52-55 (INTEVT 0x880-0x8E0) unused/reserved */
-	/* INTPRIO4 | INTMSK0 */
-	{56,  4, 28, 0, 25,  3},	/* HCAN2_CHAN0 */
-	{57,  4, 24, 0, 24,  3},	/* HCAN2_CHAN1 */
-	{58,  4, 20, 0, 23,  3},	/* I2S_CHAN0   */
-	{59,  4, 16, 0, 22,  3},	/* I2S_CHAN1   */
-	{60,  4, 12, 0, 21,  3},	/* AC97_CHAN0  */
-	{61,  4,  8, 0, 20,  3},	/* AC97_CHAN1  */
-	{62,  4,  4, 0, 19,  3},	/* I2C_CHAN0   */
-	{63,  4,  0, 0, 18,  3},	/* I2C_CHAN1   */
-	/* INTPRIO8 | INTMSK0 */
-	{52,  8, 16, 0, 11,  3},	/* SCIF0_ERI_IRQ */
-	{53,  8, 16, 0, 10,  3},	/* SCIF0_RXI_IRQ */
-	{54,  8, 16, 0,  9,  3},	/* SCIF0_BRI_IRQ */
-	{55,  8, 16, 0,  8,  3},	/* SCIF0_TXI_IRQ */
-	{64,  8, 28, 0, 17,  3},	/* USBHI_IRQ */
-	{65,  8, 24, 0, 16,  3},	/* LCDC      */
-	/* 66, 67 unused */
-	{68,  8, 20, 0, 14, 13},	/* DMABRGI0_IRQ */
-	{69,  8, 20, 0, 13, 13},	/* DMABRGI1_IRQ */
-	{70,  8, 20, 0, 12, 13},	/* DMABRGI2_IRQ */
-	/* 71 unused */
-	{72,  8, 12, 0,  7,  3},	/* SCIF1_ERI_IRQ */
-	{73,  8, 12, 0,  6,  3},	/* SCIF1_RXI_IRQ */
-	{74,  8, 12, 0,  5,  3},	/* SCIF1_BRI_IRQ */
-	{75,  8, 12, 0,  4,  3},	/* SCIF1_TXI_IRQ */
-	{76,  8,  8, 0,  3,  3},	/* SCIF2_ERI_IRQ */
-	{77,  8,  8, 0,  2,  3},	/* SCIF2_RXI_IRQ */
-	{78,  8,  8, 0,  1,  3},	/* SCIF2_BRI_IRQ */
-	{79,  8,  8, 0,  0,  3},	/* SCIF2_TXI_IRQ */
-	/*          | INTMSK4 */
-	{80,  8,  4, 4, 23,  3},	/* SIM_ERI */
-	{81,  8,  4, 4, 22,  3},	/* SIM_RXI */
-	{82,  8,  4, 4, 21,  3},	/* SIM_TXI */
-	{83,  8,  4, 4, 20,  3},	/* SIM_TEI */
-	{84,  8,  0, 4, 19,  3},	/* HSPII */
-	/* INTPRIOC | INTMSK4 */
-	/* 85-87 unused/reserved */
-	{88, 12, 20, 4, 18,  3},	/* MMCI0 */
-	{89, 12, 20, 4, 17,  3},	/* MMCI1 */
-	{90, 12, 20, 4, 16,  3},	/* MMCI2 */
-	{91, 12, 20, 4, 15,  3},	/* MMCI3 */
-	{92, 12, 12, 4,  6,  3},	/* MFI (unsure, bug? in my 7760 manual*/
-	/* 93-107 reserved/undocumented */
-	{108,12,  4, 4,  1,  3},	/* ADC  */
-	{109,12,  0, 4,  0,  3},	/* CMTI */
-	/* 110-111 reserved/unused */
-#elif defined(CONFIG_CPU_SUBTYPE_SH7780)
-	{ TIMER_IRQ, 0, 24, 0, INTC_TMU0_MSK, 2},
-	{ 21, 1, 0, 0, INTC_RTC_MSK, TIMER_PRIORITY },
-	{ 22, 1, 1, 0, INTC_RTC_MSK, TIMER_PRIORITY },
-	{ 23, 1, 2, 0, INTC_RTC_MSK, TIMER_PRIORITY },
-	{ SCIF0_ERI_IRQ, 8, 24, 0, INTC_SCIF0_MSK, SCIF0_PRIORITY },
-	{ SCIF0_RXI_IRQ, 8, 24, 0, INTC_SCIF0_MSK, SCIF0_PRIORITY },
-	{ SCIF0_BRI_IRQ, 8, 24, 0, INTC_SCIF0_MSK, SCIF0_PRIORITY },
-	{ SCIF0_TXI_IRQ, 8, 24, 0, INTC_SCIF0_MSK, SCIF0_PRIORITY },
+		/* Set the priority level */
+		local_irq_save(flags);
 
-	{ SCIF1_ERI_IRQ, 8, 16, 0, INTC_SCIF1_MSK, SCIF1_PRIORITY },
-	{ SCIF1_RXI_IRQ, 8, 16, 0, INTC_SCIF1_MSK, SCIF1_PRIORITY },
-	{ SCIF1_BRI_IRQ, 8, 16, 0, INTC_SCIF1_MSK, SCIF1_PRIORITY },
-	{ SCIF1_TXI_IRQ, 8, 16, 0, INTC_SCIF1_MSK, SCIF1_PRIORITY },
+		ipr = ctrl_inl(INTC2_BASE + INTC2_INTPRI_OFFSET +
+			       p->ipr_offset);
+		ipr &= ~(0xf << p->ipr_shift);
+		ipr |= p->priority << p->ipr_shift;
+		ctrl_outl(ipr, INTC2_BASE + INTC2_INTPRI_OFFSET +
+			  p->ipr_offset);
 
-	{ PCIC0_IRQ, 0x10,  8, 0, INTC_PCIC0_MSK, PCIC0_PRIORITY },
-	{ PCIC1_IRQ, 0x10,  0, 0, INTC_PCIC1_MSK, PCIC1_PRIORITY },
-	{ PCIC2_IRQ, 0x14, 24, 0, INTC_PCIC2_MSK, PCIC2_PRIORITY },
-	{ PCIC3_IRQ, 0x14, 16, 0, INTC_PCIC3_MSK, PCIC3_PRIORITY },
-	{ PCIC4_IRQ, 0x14,  8, 0, INTC_PCIC4_MSK, PCIC4_PRIORITY },
-#endif
-};
+		local_irq_restore(flags);
 
-void __init init_IRQ_intc2(void)
-{
-	int i;
+		set_irq_chip_and_handler_name(p->irq, &intc2_irq_chip,
+					      handle_level_irq, "level");
+		set_irq_chip_data(p->irq, p);
 
-	for (i = 0; i < ARRAY_SIZE(intc2_irq_table); i++)
-		make_intc2_irq(intc2_irq_table + i);
+		enable_intc2_irq(p->irq);
+	}
 }
diff --git a/arch/sh/kernel/cpu/irq/ipr.c b/arch/sh/kernel/cpu/irq/ipr.c
index 8944abdf6e1c..f7997312ef98 100644
--- a/arch/sh/kernel/cpu/irq/ipr.c
+++ b/arch/sh/kernel/cpu/irq/ipr.c
@@ -44,7 +44,7 @@ static void enable_ipr_irq(unsigned int irq)
 }
 
 static struct irq_chip ipr_irq_chip = {
-	.name		= "ipr",
+	.name		= "IPR",
 	.mask		= disable_ipr_irq,
 	.unmask		= enable_ipr_irq,
 	.mask_ack	= disable_ipr_irq,
@@ -60,7 +60,8 @@ void make_ipr_irq(unsigned int irq, unsigned int addr, int pos, int priority)
 	ipr_data.shift = pos*4; /* POSition (0-3) x 4 means shift */
 	ipr_data.priority = priority;
 
-	set_irq_chip_and_handler(irq, &ipr_irq_chip, handle_level_irq);
+	set_irq_chip_and_handler_name(irq, &ipr_irq_chip,
+				      handle_level_irq, "level");
 	set_irq_chip_data(irq, &ipr_data);
 
 	enable_ipr_irq(irq);
diff --git a/arch/sh/kernel/cpu/sh3/ex.S b/arch/sh/kernel/cpu/sh3/ex.S
index 6be46f0686b7..ba3082d640b5 100644
--- a/arch/sh/kernel/cpu/sh3/ex.S
+++ b/arch/sh/kernel/cpu/sh3/ex.S
@@ -4,7 +4,7 @@
  *  The SH-3 exception vector table.
 
  *  Copyright (C) 1999, 2000, 2002  Niibe Yutaka
- *  Copyright (C) 2003  Paul Mundt
+ *  Copyright (C) 2003 - 2006  Paul Mundt
  *
  * This file is subject to the terms and conditions of the GNU General Public
  * License.  See the file "COPYING" in the main directory of this archive
@@ -49,3 +49,10 @@ ENTRY(nmi_slot)
 #endif
 ENTRY(user_break_point_trap)
 	.long	break_point_trap	/* 1E0 */
+
+	/*
+	 * Pad the remainder of the table out, exceptions residing in far
+	 * away offsets can be manually inserted in to their appropriate
+	 * location via set_exception_table_{evt,vec}().
+	 */
+	.balign 4096,0,4096
diff --git a/arch/sh/kernel/cpu/sh4/ex.S b/arch/sh/kernel/cpu/sh4/ex.S
index 3f4cd043e900..ac8ab57413cc 100644
--- a/arch/sh/kernel/cpu/sh4/ex.S
+++ b/arch/sh/kernel/cpu/sh4/ex.S
@@ -4,7 +4,7 @@
  *  The SH-4 exception vector table.
 
  *  Copyright (C) 1999, 2000, 2002  Niibe Yutaka
- *  Copyright (C) 2003  Paul Mundt
+ *  Copyright (C) 2003 - 2006  Paul Mundt
  *
  * This file is subject to the terms and conditions of the GNU General Public
  * License.  See the file "COPYING" in the main directory of this archive
@@ -53,3 +53,10 @@ ENTRY(nmi_slot)
 #endif
 ENTRY(user_break_point_trap)
 	.long	break_point_trap	/* 1E0 */
+
+	/*
+	 * Pad the remainder of the table out, exceptions residing in far
+	 * away offsets can be manually inserted in to their appropriate
+	 * location via set_exception_table_{evt,vec}().
+	 */
+	.balign	4096,0,4096
diff --git a/arch/sh/kernel/cpu/sh4/setup-sh7760.c b/arch/sh/kernel/cpu/sh4/setup-sh7760.c
index 97f1c9af35d6..07e5377bf550 100644
--- a/arch/sh/kernel/cpu/sh4/setup-sh7760.c
+++ b/arch/sh/kernel/cpu/sh4/setup-sh7760.c
@@ -51,3 +51,66 @@ static int __init sh7760_devices_setup(void)
 				    ARRAY_SIZE(sh7760_devices));
 }
 __initcall(sh7760_devices_setup);
+
+/*
+ * SH7760 INTC2-Style interrupts, vectors IRQ48-111 INTEVT 0x800-0xFE0
+ */
+static struct intc2_data intc2_irq_table[] = {
+	/* INTPRIO0 | INTMSK0 */
+	{48,  0, 28, 0, 31,  3},	/* IRQ 4 */
+	{49,  0, 24, 0, 30,  3},	/* IRQ 3 */
+	{50,  0, 20, 0, 29,  3},	/* IRQ 2 */
+	{51,  0, 16, 0, 28,  3},	/* IRQ 1 */
+	/* 52-55 (INTEVT 0x880-0x8E0) unused/reserved */
+	/* INTPRIO4 | INTMSK0 */
+	{56,  4, 28, 0, 25,  3},	/* HCAN2_CHAN0 */
+	{57,  4, 24, 0, 24,  3},	/* HCAN2_CHAN1 */
+	{58,  4, 20, 0, 23,  3},	/* I2S_CHAN0   */
+	{59,  4, 16, 0, 22,  3},	/* I2S_CHAN1   */
+	{60,  4, 12, 0, 21,  3},	/* AC97_CHAN0  */
+	{61,  4,  8, 0, 20,  3},	/* AC97_CHAN1  */
+	{62,  4,  4, 0, 19,  3},	/* I2C_CHAN0   */
+	{63,  4,  0, 0, 18,  3},	/* I2C_CHAN1   */
+	/* INTPRIO8 | INTMSK0 */
+	{52,  8, 16, 0, 11,  3},	/* SCIF0_ERI_IRQ */
+	{53,  8, 16, 0, 10,  3},	/* SCIF0_RXI_IRQ */
+	{54,  8, 16, 0,  9,  3},	/* SCIF0_BRI_IRQ */
+	{55,  8, 16, 0,  8,  3},	/* SCIF0_TXI_IRQ */
+	{64,  8, 28, 0, 17,  3},	/* USBHI_IRQ */
+	{65,  8, 24, 0, 16,  3},	/* LCDC      */
+	/* 66, 67 unused */
+	{68,  8, 20, 0, 14, 13},	/* DMABRGI0_IRQ */
+	{69,  8, 20, 0, 13, 13},	/* DMABRGI1_IRQ */
+	{70,  8, 20, 0, 12, 13},	/* DMABRGI2_IRQ */
+	/* 71 unused */
+	{72,  8, 12, 0,  7,  3},	/* SCIF1_ERI_IRQ */
+	{73,  8, 12, 0,  6,  3},	/* SCIF1_RXI_IRQ */
+	{74,  8, 12, 0,  5,  3},	/* SCIF1_BRI_IRQ */
+	{75,  8, 12, 0,  4,  3},	/* SCIF1_TXI_IRQ */
+	{76,  8,  8, 0,  3,  3},	/* SCIF2_ERI_IRQ */
+	{77,  8,  8, 0,  2,  3},	/* SCIF2_RXI_IRQ */
+	{78,  8,  8, 0,  1,  3},	/* SCIF2_BRI_IRQ */
+	{79,  8,  8, 0,  0,  3},	/* SCIF2_TXI_IRQ */
+	/*          | INTMSK4 */
+	{80,  8,  4, 4, 23,  3},	/* SIM_ERI */
+	{81,  8,  4, 4, 22,  3},	/* SIM_RXI */
+	{82,  8,  4, 4, 21,  3},	/* SIM_TXI */
+	{83,  8,  4, 4, 20,  3},	/* SIM_TEI */
+	{84,  8,  0, 4, 19,  3},	/* HSPII */
+	/* INTPRIOC | INTMSK4 */
+	/* 85-87 unused/reserved */
+	{88, 12, 20, 4, 18,  3},	/* MMCI0 */
+	{89, 12, 20, 4, 17,  3},	/* MMCI1 */
+	{90, 12, 20, 4, 16,  3},	/* MMCI2 */
+	{91, 12, 20, 4, 15,  3},	/* MMCI3 */
+	{92, 12, 12, 4,  6,  3},	/* MFI (unsure, bug? in my 7760 manual*/
+	/* 93-107 reserved/undocumented */
+	{108,12,  4, 4,  1,  3},	/* ADC  */
+	{109,12,  0, 4,  0,  3},	/* CMTI */
+	/* 110-111 reserved/unused */
+};
+
+void __init init_IRQ_intc2(void)
+{
+	make_intc2_irq(intc2_irq_table, ARRAY_SIZE(intc2_irq_table));
+}
diff --git a/arch/sh/kernel/cpu/sh4/setup-sh7780.c b/arch/sh/kernel/cpu/sh4/setup-sh7780.c
index 72493f259edc..814ddb226531 100644
--- a/arch/sh/kernel/cpu/sh4/setup-sh7780.c
+++ b/arch/sh/kernel/cpu/sh4/setup-sh7780.c
@@ -77,3 +77,30 @@ static int __init sh7780_devices_setup(void)
 				    ARRAY_SIZE(sh7780_devices));
 }
 __initcall(sh7780_devices_setup);
+
+static struct intc2_data intc2_irq_table[] = {
+	{ TIMER_IRQ, 0, 24, 0, INTC_TMU0_MSK, 2 },
+	{ 21, 1, 0, 0, INTC_RTC_MSK, TIMER_PRIORITY },
+	{ 22, 1, 1, 0, INTC_RTC_MSK, TIMER_PRIORITY },
+	{ 23, 1, 2, 0, INTC_RTC_MSK, TIMER_PRIORITY },
+	{ SCIF0_ERI_IRQ, 8, 24, 0, INTC_SCIF0_MSK, SCIF0_PRIORITY },
+	{ SCIF0_RXI_IRQ, 8, 24, 0, INTC_SCIF0_MSK, SCIF0_PRIORITY },
+	{ SCIF0_BRI_IRQ, 8, 24, 0, INTC_SCIF0_MSK, SCIF0_PRIORITY },
+	{ SCIF0_TXI_IRQ, 8, 24, 0, INTC_SCIF0_MSK, SCIF0_PRIORITY },
+
+	{ SCIF1_ERI_IRQ, 8, 16, 0, INTC_SCIF1_MSK, SCIF1_PRIORITY },
+	{ SCIF1_RXI_IRQ, 8, 16, 0, INTC_SCIF1_MSK, SCIF1_PRIORITY },
+	{ SCIF1_BRI_IRQ, 8, 16, 0, INTC_SCIF1_MSK, SCIF1_PRIORITY },
+	{ SCIF1_TXI_IRQ, 8, 16, 0, INTC_SCIF1_MSK, SCIF1_PRIORITY },
+
+	{ PCIC0_IRQ, 0x10,  8, 0, INTC_PCIC0_MSK, PCIC0_PRIORITY },
+	{ PCIC1_IRQ, 0x10,  0, 0, INTC_PCIC1_MSK, PCIC1_PRIORITY },
+	{ PCIC2_IRQ, 0x14, 24, 0, INTC_PCIC2_MSK, PCIC2_PRIORITY },
+	{ PCIC3_IRQ, 0x14, 16, 0, INTC_PCIC3_MSK, PCIC3_PRIORITY },
+	{ PCIC4_IRQ, 0x14,  8, 0, INTC_PCIC4_MSK, PCIC4_PRIORITY },
+};
+
+void __init init_IRQ_intc2(void)
+{
+	make_intc2_irq(intc2_irq_table, ARRAY_SIZE(intc2_irq_table));
+}
diff --git a/arch/sh/kernel/irq.c b/arch/sh/kernel/irq.c
index acf2602569c4..944128ce9706 100644
--- a/arch/sh/kernel/irq.c
+++ b/arch/sh/kernel/irq.c
@@ -54,7 +54,7 @@ int show_interrupts(struct seq_file *p, void *v)
 		for_each_online_cpu(j)
 			seq_printf(p, "%10u ", kstat_cpu(j).irqs[i]);
 		seq_printf(p, " %14s", irq_desc[i].chip->name);
-		seq_printf(p, "-%s", handle_irq_name(irq_desc[i].handle_irq));
+		seq_printf(p, "-%-8s", irq_desc[i].name);
 		seq_printf(p, "  %s", action->name);
 
 		for (action=action->next; action; action = action->next)
diff --git a/arch/sh/kernel/process.c b/arch/sh/kernel/process.c
index 91516dca4a85..a52b13ac6b7f 100644
--- a/arch/sh/kernel/process.c
+++ b/arch/sh/kernel/process.c
@@ -105,7 +105,7 @@ void show_regs(struct pt_regs * regs)
 {
 	printk("\n");
 	printk("Pid : %d, Comm: %20s\n", current->pid, current->comm);
-	print_symbol("PC is at %s\n", regs->pc);
+	print_symbol("PC is at %s\n", instruction_pointer(regs));
 	printk("PC  : %08lx SP  : %08lx SR  : %08lx ",
 	       regs->pc, regs->regs[15], regs->sr);
 #ifdef CONFIG_MMU
@@ -130,15 +130,7 @@ void show_regs(struct pt_regs * regs)
 	printk("MACH: %08lx MACL: %08lx GBR : %08lx PR  : %08lx\n",
 	       regs->mach, regs->macl, regs->gbr, regs->pr);
 
-	/*
-	 * If we're in kernel mode, dump the stack too..
-	 */
-	if (!user_mode(regs)) {
-		extern void show_task(unsigned long *sp);
-		unsigned long sp = regs->regs[15];
-
-		show_task((unsigned long *)sp);
-	}
+	show_trace(NULL, (unsigned long *)regs->regs[15], regs);
 }
 
 /*
diff --git a/arch/sh/kernel/traps.c b/arch/sh/kernel/traps.c
index c2c597e09482..53dfa55f3156 100644
--- a/arch/sh/kernel/traps.c
+++ b/arch/sh/kernel/traps.c
@@ -1,38 +1,25 @@
-/* $Id: traps.c,v 1.17 2004/05/02 01:46:30 sugioka Exp $
- *
- *  linux/arch/sh/traps.c
+/*
+ * 'traps.c' handles hardware traps and faults after we have saved some
+ * state in 'entry.S'.
  *
  *  SuperH version: Copyright (C) 1999 Niibe Yutaka
  *                  Copyright (C) 2000 Philipp Rumpf
  *                  Copyright (C) 2000 David Howells
- *                  Copyright (C) 2002, 2003 Paul Mundt
- */
-
-/*
- * 'Traps.c' handles hardware traps and faults after we have saved some
- * state in 'entry.S'.
+ *                  Copyright (C) 2002 - 2006 Paul Mundt
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
  */
-#include <linux/sched.h>
 #include <linux/kernel.h>
-#include <linux/string.h>
-#include <linux/errno.h>
 #include <linux/ptrace.h>
-#include <linux/timer.h>
-#include <linux/mm.h>
-#include <linux/smp.h>
-#include <linux/smp_lock.h>
 #include <linux/init.h>
-#include <linux/delay.h>
 #include <linux/spinlock.h>
 #include <linux/module.h>
 #include <linux/kallsyms.h>
-
+#include <linux/io.h>
 #include <asm/system.h>
 #include <asm/uaccess.h>
-#include <asm/io.h>
-#include <asm/atomic.h>
-#include <asm/processor.h>
-#include <asm/sections.h>
 
 #ifdef CONFIG_SH_KGDB
 #include <asm/kgdb.h>
@@ -53,13 +40,32 @@
 #define TRAP_ILLEGAL_SLOT_INST	13
 #endif
 
-/*
- * These constants are for searching for possible module text
- * segments.  VMALLOC_OFFSET comes from mm/vmalloc.c; MODULE_RANGE is
- * a guess of how much space is likely to be vmalloced.
- */
-#define VMALLOC_OFFSET (8*1024*1024)
-#define MODULE_RANGE (8*1024*1024)
+static void dump_mem(const char *str, unsigned long bottom, unsigned long top)
+{
+	unsigned long p;
+	int i;
+
+	printk("%s(0x%08lx to 0x%08lx)\n", str, bottom, top);
+
+	for (p = bottom & ~31; p < top; ) {
+		printk("%04lx: ", p & 0xffff);
+
+		for (i = 0; i < 8; i++, p += 4) {
+			unsigned int val;
+
+			if (p < bottom || p >= top)
+				printk("         ");
+			else {
+				if (__get_user(val, (unsigned int __user *)p)) {
+					printk("\n");
+					return;
+				}
+				printk("%08x ", val);
+			}
+		}
+		printk("\n");
+	}
+}
 
 DEFINE_SPINLOCK(die_lock);
 
@@ -69,14 +75,28 @@ void die(const char * str, struct pt_regs * regs, long err)
 
 	console_verbose();
 	spin_lock_irq(&die_lock);
+	bust_spinlocks(1);
+
 	printk("%s: %04lx [#%d]\n", str, err & 0xffff, ++die_counter);
+
 	CHK_REMOTE_DEBUG(regs);
+	print_modules();
 	show_regs(regs);
+
+	printk("Process: %s (pid: %d, stack limit = %p)\n",
+	       current->comm, current->pid, task_stack_page(current) + 1);
+
+	if (!user_mode(regs) || in_interrupt())
+		dump_mem("Stack: ", regs->regs[15], THREAD_SIZE +
+		 	 (unsigned long)task_stack_page(current));
+
+	bust_spinlocks(0);
 	spin_unlock_irq(&die_lock);
 	do_exit(SIGSEGV);
 }
 
-static inline void die_if_kernel(const char * str, struct pt_regs * regs, long err)
+static inline void die_if_kernel(const char *str, struct pt_regs *regs,
+				 long err)
 {
 	if (!user_mode(regs))
 		die(str, regs, err);
@@ -93,8 +113,7 @@ static int handle_unaligned_notify_count = 10;
  */
 static int die_if_no_fixup(const char * str, struct pt_regs * regs, long err)
 {
-	if (!user_mode(regs))
-	{
+	if (!user_mode(regs)) {
 		const struct exception_table_entry *fixup;
 		fixup = search_exception_tables(regs->pc);
 		if (fixup) {
@@ -550,7 +569,10 @@ int is_dsp_inst(struct pt_regs *regs)
 #define is_dsp_inst(regs)	(0)
 #endif /* CONFIG_SH_DSP */
 
-extern int do_fpu_inst(unsigned short, struct pt_regs*);
+/* arch/sh/kernel/cpu/sh4/fpu.c */
+extern int do_fpu_inst(unsigned short, struct pt_regs *);
+extern asmlinkage void do_fpu_state_restore(unsigned long r4, unsigned long r5,
+		unsigned long r6, unsigned long r7, struct pt_regs regs);
 
 asmlinkage void do_reserved_inst(unsigned long r4, unsigned long r5,
 				unsigned long r6, unsigned long r7,
@@ -709,14 +731,20 @@ void __init per_cpu_trap_init(void)
 		     : "memory");
 }
 
-void __init trap_init(void)
+void *set_exception_table_vec(unsigned int vec, void *handler)
 {
 	extern void *exception_handling_table[];
+	void *old_handler;
+	
+	old_handler = exception_handling_table[vec];
+	exception_handling_table[vec] = handler;
+	return old_handler;
+}
 
-	exception_handling_table[TRAP_RESERVED_INST]
-		= (void *)do_reserved_inst;
-	exception_handling_table[TRAP_ILLEGAL_SLOT_INST]
-		= (void *)do_illegal_slot_inst;
+void __init trap_init(void)
+{
+	set_exception_table_vec(TRAP_RESERVED_INST, do_reserved_inst);
+	set_exception_table_vec(TRAP_ILLEGAL_SLOT_INST, do_illegal_slot_inst);
 
 #if defined(CONFIG_CPU_SH4) && !defined(CONFIG_SH_FPU) || \
     defined(CONFIG_SH_FPU_EMU)
@@ -725,61 +753,54 @@ void __init trap_init(void)
 	 * reserved. They'll be handled in the math-emu case, or faulted on
 	 * otherwise.
 	 */
-	/* entry 64 corresponds to EXPEVT=0x800 */
-	exception_handling_table[64] = (void *)do_reserved_inst;
-	exception_handling_table[65] = (void *)do_illegal_slot_inst;
+	set_exception_table_evt(0x800, do_reserved_inst);
+	set_exception_table_evt(0x820, do_illegal_slot_inst);
+#elif defined(CONFIG_SH_FPU)
+	set_exception_table_evt(0x800, do_fpu_state_restore);
+	set_exception_table_evt(0x820, do_fpu_state_restore);
 #endif
 		
 	/* Setup VBR for boot cpu */
 	per_cpu_trap_init();
 }
 
-void show_stack(struct task_struct *tsk, unsigned long *sp)
+void show_trace(struct task_struct *tsk, unsigned long *sp,
+		struct pt_regs *regs)
 {
-	unsigned long *stack, addr;
-	unsigned long module_start = VMALLOC_START;
-	unsigned long module_end = VMALLOC_END;
-	int i = 1;
-
-	if (!tsk)
-		tsk = current;
-	if (tsk == current)
-		sp = (unsigned long *)current_stack_pointer;
-	else
-		sp = (unsigned long *)tsk->thread.sp;
+	unsigned long addr;
 
-	stack = sp;
+	if (regs && user_mode(regs))
+		return;
 
 	printk("\nCall trace: ");
 #ifdef CONFIG_KALLSYMS
 	printk("\n");
 #endif
 
-	while (!kstack_end(stack)) {
-		addr = *stack++;
-		if (((addr >= (unsigned long)_text) &&
-		     (addr <= (unsigned long)_etext)) ||
-		    ((addr >= module_start) && (addr <= module_end))) {
-			/*
-			 * For 80-columns display, 6 entry is maximum.
-			 * NOTE: '[<8c00abcd>] ' consumes 13 columns .
-			 */
-#ifndef CONFIG_KALLSYMS
-			if (i && ((i % 6) == 0))
-				printk("\n       ");
-#endif
-			printk("[<%08lx>] ", addr);
-			print_symbol("%s\n", addr);
-			i++;
-		}
+	while (!kstack_end(sp)) {
+		addr = *sp++;
+		if (kernel_text_address(addr))
+			print_ip_sym(addr);
 	}
 
 	printk("\n");
 }
 
-void show_task(unsigned long *sp)
+void show_stack(struct task_struct *tsk, unsigned long *sp)
 {
-	show_stack(NULL, sp);
+	unsigned long stack;
+
+	if (!tsk)
+		tsk = current;
+	if (tsk == current)
+		sp = (unsigned long *)current_stack_pointer;
+	else
+		sp = (unsigned long *)tsk->thread.sp;
+
+	stack = (unsigned long)sp;
+	dump_mem("Stack: ", stack, THREAD_SIZE +
+		 (unsigned long)task_stack_page(tsk));
+	show_trace(tsk, sp, NULL);
 }
 
 void dump_stack(void)